Attic Furnace Ductwork Layout

If you re shopping around for a new a c heat pump or furnace now is an ideal time to take a look behind the scenes at the air ducts and bring them center stage in your home efficiency strategy with good hvac principles.

Attic furnace ductwork layout.

When you place a furnace in the attic to take advantage of its. Ted also has inherited a powered attic ventilator. Even if radiant distribution systems completely take over though we ll still. Understanding basic residential ductwork design please note.

The prior owner just had a new ac system installed in which they switched from the equipment and metal ducts in the crawlspace to flex ductwork equipment in the attic where temps have regularly been in the 130 150 degrees this summer. Ductwork is the channel through which the air in your home is filtered and purified or expelled to the outdoors and replaced with fresh new air. If you don t have a crawl space or a basement then it can be a challenge to place a furnace on the ground floor of the structure. To account for all the necessary factors many professionals use a tool called acca manual d.

How to design a duct for an hvac application. Ensure proper ductwork sealing. When it comes to heating and cooling homes forced air distribution is king. Heating and cooling systems are responsible for close to 50 percent of the energy expenses in the typical home and the ductwork plays a substantial role.

Area as the furnace nor should they be located by moisture sources such as kitchens or bathrooms. Choose the right duct size and layout. Yeah my canadian friend robert bean of healthy heating pushes radiant for both heating and cooling and my texas friend kristof irwin drank that koolaid and installed what may be the first radiant cooling system in texas. Situate the air handler close to the center of the layout to minimize the length of ductwork spans.

All information provided in this document is to be used as a guideline only. Once all the system variables have been decided your hvac design professional can determine the most efficient ductwork design layout and calculate the correct duct size. You might not receive the same air movement benefits if the unit is in a garage either. A delivery system for all forced air systems furnace or air handler heating or air conditioning or both.

The layout and installation of the duct system will incorporate these basic principles of good ductwork design. Trunk line layout is provided in the. The 1 800 square foot brick ranch in climate zone 4 dates from the 1960s but the previous owner installed both a furnace and ductwork in the attic just four years ago. Most heating cooling systems now are dual units with different elements for heating or cooling but sharing a blower and ductwork to distribute.

A furnace in the attic is a design that works for all homes. Although both the attic floor and the ductwork are insulated ted recognizes the situation isn t ideal. Return air cfm must be equal or greater than supply air cfm.